Schmooit
First Officer
Flight distance : 1336581 ft
United Kingdom
Offline
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Sorry bit a of a long winded one here!
In the real world the risk is yours! If the flight controls are giving you a warning there is a good reason, should you choose to ignore this then that is your choice, If you are capable of flying in, shall we say manual mode with no help from the GPS the compass (if not calibrated) would not provide you with accurate information so could not be relied upon! If you are flying VLOS (which you should always be) and can keep the bird insight, you just need to be aware that it is you and your skill set and nothing else!
You could try and calibrate the compass in a different area where there is no interference prior to getting to your TO/LZ spot, I don’t think it matters where calibration takes place (within reason!) just that it has been calibrated prior to the flight (maybe someone with more knowledge than me could confirm compass calibration and if it is take off site specific?)
The compass is really aimed at providing the pilot with a reference on the drone's position, heading and direction relevant to the pilot station (that's you and your controller!) if you can take off without the compass being calibrated then this information might not be correct and therefore not reliable so you would need to exercise caution and only flying where you can easily see the drone and its attitude and be able to know what direction your stick inputs translate to. I think the compass comes more into effect when your location may limit access to enough satellites to provide and accurate location (GPS Lock) but don’t quote me on that!
To be completely clear though I am not saying you can, can’t or shouldn’t but you MUST take note of the warnings and assess the risk and safety accordingly.
I don’t think the issue you are getting is really anything to do with compass calibration anyway its more just the interference at your TO/LZ the drone is basically trying to tell you it’s not safe to take off because it has poor signal. (If it’s only the P4P that is giving you this issue then maybe use your Mavic2 as a your back up, you still need to think about the implications before the flight though!)
Launching from a boat is doable (I am assuming this is what you are trying to do) but bear in mind there is a lot of interference all around not just for the compass, there is the construction of the boat metal/fibre glass, the radio systems and radar on board, and any other boats around so caution should always be exercised, also need to think about the sea and the rise and fall of the boat as this will affect your take off and landing depending on what the swell is like! A few feet can make quite a difference and then factor in wind age too it can be quite tricky! Also wind can lay a big factor out at sea away from any land protection! (I flew around at an old sea fort here in Southampton Water, UK left over from the war, and it was almost impossible my P3P just about managed it but I had to stay very close to the fort and keep an eye on battery life! Landing was also hard work as it was also
Found this that might help explain the compass that might help you and others https://www.mavichelp.com/tips/d ... alibration-guide.33 it’s for a Mavic but the general idea is the same for all DJI drones.
Interference can be from anywhere so a landing pad is not really going to help you, the chances are the compass doesn’t really need any calibration it’s just there is a lot or radio signals or metallic objects about, the question you need to ask yourself really is am I prepared to a) lose my drone? b) Potentially cause injury or damage to a person or property? I for one would see you in court if you were to crash into my Sunseeker because you lost control and ignored the warnings! (I don’t have a Sunseeker so you are ok! but you get my point!)
There IS NO excuse for a fly away if you ignore all the signs!
Not sure on your comment on flying ability and having a website! Have you not heard of Wix!
Also your site seems to show images of some pretty tall structures in New York and I'm pretty sure from the shots you are way above 400ft above the ground as per the law for a commercial Part 107 certificate holder (granted you might have taken these as a private individual) which does make me think that safety and responsible are 2 words that do not appear at the top of your agenda, unless you had permission from that building owner and it was your initial take off point in which case I apologise but there are lot of images that lend themselves to being taken at quite some height! Those shots would not be in Class G airspace and run the risk of interfering with manned aircraft so perhaps not the best advertising for commercial work not only misleading to customers but also that you are prepared to act in an unsafe manor! (you are potentially at risk of the FAA wanting a word too!
I hope this helps you but Please Please Please take the advice of others on here and always fly responsibly (I'm in the UK) but no-one wants our passion restricted through unsafe actions which spoil it for the masses, just think of the poor buggers in Canada!
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